:root{--paper: #f6f4ef;--surface: #fffdf8;--ink: #0f1b2d;--ink-muted: #5b6472;--hairline: #e6e1d7;--danger: #b4342b;--accent: #16c784;--on-accent: #ffffff;--safe-bottom: env(safe-area-inset-bottom, 0px)}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.app{display:flex;flex-direction:column;min-height:100dvh}.header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;background:var(--surface);border-bottom:1px solid var(--hairline)}.header__who{display:flex;flex-direction:column;line-height:1.25}.header__who strong{font-size:17px}.header__who 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